Update userspace

.gitmodules

@@ -1,12 +1,13 @@
 [submodule "apps/user/games/doomgeneric"]
 	path = apps/user/games/doomgeneric
 	url = https://github.com/Fennix-Project/doomgeneric.git
-[submodule "mlibc"]
-	path = mlibc
-	url = https://github.com/Fennix-Project/mlibc.git
 [submodule "apps/base/bash"]
 	path = apps/base/bash
 	url = https://github.com/Fennix-Project/bash.git
 [submodule "musl"]
 	path = musl
 	url = https://github.com/Fennix-Project/musl.git
+[submodule "apps/base/busybox"]
+	path = apps/base/busybox
+	url = git://busybox.net/busybox.git
+	branch = 1_36_stable

Makefile

@@ -22,10 +22,8 @@ endif
 
 ifeq ($(USERSPACE_STATIC_LIBS), 1)
 MUSL_CONFIGURE_FLAGS := --enable-static --disable-shared
-MLIBC_CONFIGURE_FLAGS := -Ddefault_library=static
 else
 MUSL_CONFIGURE_FLAGS := --enable-shared --enable-static
-MLIBC_CONFIGURE_FLAGS := -Ddefault_library=both
 endif
 
 build_musl:
@@ -42,15 +40,6 @@ build_musl:
 	mkdir -p out/include/fennix
 	cp ../Kernel/syscalls.h out/include/fennix/syscall.h
 
-build_mlibc:
-	cp ../Kernel/syscalls.h ./mlibc/sysdeps/fennix/include/fennix/syscall.h
-ifeq ($(wildcard cache/mlibc),)
-	cd mlibc && meson $(MLIBC_CONFIGURE_FLAGS) --cross-file ci/fennix.cross-file ../cache/mlibc
-endif
-	cd cache/mlibc && DESTDIR=../../out ninja install
-	mv out/usr/local/include/* out/include/
-	mv out/usr/local/lib/* out/lib/
-
 create_out:
 	rm -rf out
 	mkdir -p out
@@ -68,8 +57,6 @@ ifeq ($(USE_LIBC), internal)
 	make -C libc build
 else ifeq ($(USE_LIBC), musl)
 	$(MAKE) build_musl
-else ifeq ($(USE_LIBC), mlibc)
-	$(MAKE) build_mlibc
 endif
 	make -C libs build
 	make -C apps build

apps/base/Makefile

@@ -25,12 +25,32 @@ ifeq ($(wildcard $(CACHE_DIR)/bash),)
 	--host=$(TARGET) \
 	--enable-minimal-config
 endif
-	make -C $(CACHE_DIR)/bash -j$(shell nproc)
+	LDFLAGS="--static" make -C $(CACHE_DIR)/bash -j$(shell nproc)
 	make -C $(CACHE_DIR)/bash install
 
+BUSYBOX_CROSS_PATH := $(cwd)/../../../tools/cross/bin/$(TARGET)-
+
+build_busybox:
+ifeq ($(wildcard $(CACHE_DIR)/busybox),)
+	mkdir -p $(CACHE_DIR)/busybox
+	cd $(CACHE_DIR)/busybox && \
+	make KBUILD_SRC=../../apps/base/busybox \
+	CROSS_COMPILE=$(BUSYBOX_CROSS_PATH) \
+	-f ../../apps/base/busybox/Makefile \
+	allnoconfig
+endif
+	cd $(CACHE_DIR)/busybox && \
+	make -C $(CACHE_DIR)/busybox \
+	CROSS_COMPILE=$(BUSYBOX_CROSS_PATH) -j$(shell nproc)
+	cd $(CACHE_DIR)/busybox && \
+	make -C $(CACHE_DIR)/busybox \
+	CONFIG_PREFIX=$(PREFIX) \
+	CROSS_COMPILE=$(BUSYBOX_CROSS_PATH) install
+
 build:
 	make -C echo build
 	make -C fsh build
+#	$(MAKE) build_busybox
 #	$(MAKE) build_bash
 
 clean:

apps/base/busybox

@@ -0,0 +1 @@
+Subproject commit 1a64f6a20aaf6ea4dbba68bbfa8cc1ab7e5c57c4

apps/system/init/Makefile

@@ -52,7 +52,7 @@ build: $(FILENAME)
 
 $(FILENAME): $(OBJ)
 	$(info Linking $@)
-	$(CC) $(LDFLAGS) $(SYSROOT) $(OBJ) -lssp -linit -o $@
+	$(CC) $(LDFLAGS) $(SYSROOT) $(OBJ) -lssp -o $@
 
 %.o: %.c $(HEADERS)
 	$(info Compiling $<)

apps/system/init/init.c

@@ -1,27 +1,27 @@
+#include <sys/wait.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <stdint.h>
 #include <stdio.h>
-#include <sys/wait.h>
 #include "aux.h"
 
-#include <libinit/init.h>
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
-#define print(m, ...) init_log(m, ##__VA_ARGS__)
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
 
 void test_args(int argc, char *argv[], char *envp[])
 {
-	print("%p %p %p\n", (void *)(uint64_t)&argc, (void *)&argv, (void *)&envp);
+	printf("%p %p %p\n", (void *)(uint64_t)&argc, (void *)&argv, (void *)&envp);
-	print("I have %d arguments\n", argc);
+	printf("I have %d arguments\n", argc);
 	for (int i = 0; i < argc; i++)
-		print("argv[%d] = (%p) %s\n", i, argv[i], argv[i]);
+		printf("argv[%d] = (%p) %s\n", i, argv[i], argv[i]);
 
 	int envc = 0;
 	while (envp[envc] != NULL)
 		envc++;
 
-	print("I have %d environment variables\n", envc);
+	printf("I have %d environment variables\n", envc);
 	for (int i = 0; i < envc; i++)
-		print("envp[%d] = (%p) %s\n", i, envp[i], envp[i]);
+		printf("envp[%d] = (%p) %s\n", i, envp[i], envp[i]);
 
 	Elf64_auxv_t *auxv;
 	char **e = envp;
@@ -30,22 +30,30 @@ void test_args(int argc, char *argv[], char *envp[])
 		;
 
 	for (auxv = (Elf64_auxv_t *)e; auxv->a_type != AT_NULL; auxv++)
-		print("auxv: %ld %#lx\n", auxv->a_type, auxv->a_un.a_val);
+		printf("auxv: %ld %#lx\n", auxv->a_type, auxv->a_un.a_val);
 }
 
 int main(int argc, char *argv[], char *envp[])
 {
-	// test_args(argc, argv, envp);
+	freopen("/dev/tty", "w", stdout);
+	freopen("/dev/tty", "w", stderr);
+
+	test_args(argc, argv, envp);
 	FILE *test = fopen("/Test.txt", "r");
 	if (test == NULL)
 	{
-		print("Failed to open file\n");
+		printf("Failed to open file\n");
 		return 1;
 	}
 
-	char buf[1024];
+	printf("Test.txt contents: ");
-	int read = fread(buf, 1024, 1, test);
+	char ch;
-	print("/Test.txt (%ld): %s\n", read, buf);
+	do
+	{
+		ch = fgetc(test);
+		putchar(ch);
+	} while (ch != EOF);
+
 	fclose(test);
 
 	pid_t pid;
@@ -55,7 +63,7 @@ int main(int argc, char *argv[], char *envp[])
 
 	if (pid == 0) // Child process
 	{
-		print("Creating shell process\n");
+		printf("Creating shell process\n");
 		char *args[] = {"/bin/sh", NULL};
 		execv(args[0], args);
 		exit(EXIT_FAILURE);
@@ -65,18 +73,18 @@ int main(int argc, char *argv[], char *envp[])
 		wait(&status);
 		if (WIFEXITED(status))
 		{
-			print("Child process exited with code: %d\n", WEXITSTATUS(status));
+			printf("Child process exited with code: %d\n", WEXITSTATUS(status));
 			return WEXITSTATUS(status);
 		}
 		else
 		{
-			print("Execution failed.\n");
+			printf("Execution failed.\n");
 			exit(EXIT_FAILURE);
 		}
 	}
 	else
 	{
-		print("\eFF0000Failed to create the process.\n");
+		printf("\eFF0000Failed to create the process.\n");
 		exit(EXIT_FAILURE);
 	}
 

libc/include/stdio.h

@@ -57,6 +57,7 @@ extern "C"
 #define stdout stdout
 #define stderr stderr
 
+	FILE *freopen(const char *filename, const char *mode, FILE *stream);
 	FILE *fopen(const char *filename, const char *mode);
 	size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream);
 	size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
@@ -77,6 +78,8 @@ extern "C"
 	int puts(const char *s);
 	int putchar(int c);
 
+	int fgetc(FILE *stream);
+
 #ifdef __cplusplus
 }
 #endif

libc/src/std/io/file.c

@@ -10,6 +10,12 @@ PUBLIC FILE *stdin = NULL;
 PUBLIC FILE *stdout = NULL;
 PUBLIC FILE *stderr = NULL;
 
+PUBLIC FILE *freopen(const char *filename, const char *mode, FILE *stream)
+{
+	errno = ENOSYS;
+	return NULL;
+}
+
 PUBLIC FILE *fopen(const char *filename, const char *mode)
 {
 	int fd = syscall2(sys_FileOpen, (uint64_t)filename, (uint64_t)mode);

libc/src/std/io/get.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <stdarg.h>
+#include <fennix/syscall.h>
+
+#include <sys/types.h> // For PUBLIC
+
+PUBLIC int fgetc(FILE *stream)
+{
+}

libs/Makefile

@@ -1,10 +1,8 @@
 build:
-	cp -r include/* ../out/include
+#	cp -r include/* ../out/include
 	make -C libgcc build
-	make -C libinit build
 	make -C libssp build
 
 clean:
 	make -C libgcc clean
-	make -C libinit clean
 	make -C libssp clean

libs/include/libdraw.h

@@ -1,8 +0,0 @@
-#ifndef __FENNIX_LIB_DRAW_H__
-#define __FENNIX_LIB_DRAW_H__
-
-#include <types.h>
-
-void DrawRect(int x, int y, int w, int h, int color);
-
-#endif // !__FENNIX_LIB_DRAW_H__

libs/include/libinit/init.h

@@ -1,16 +0,0 @@
-#ifndef __FENNIX_LIBS_INIT_H__
-#define __FENNIX_LIBS_INIT_H__
-
-#include <stddef.h>
-#include <stdarg.h>
-
-int printf_libinit(const char *format, ...);
-int vprintf_libinit(const char *format, va_list arg);
-int sprintf_libinit(char *s, const char *format, ...);
-int vsprintf_libinit(char *s, const char *format, va_list arg);
-int snprintf_libinit(char *s, size_t count, const char *format, ...);
-int vsnprintf_libinit(char *s, size_t count, const char *format, va_list arg);
-
-__attribute__((visibility("default"))) void init_log(const char *fmt, ...);
-
-#endif // !__FENNIX_LIBS_INIT_H__

libs/libinit/Makefile

@@ -1,60 +0,0 @@
-# Config file
-include ../../../Makefile.conf
-
-NAME=init
-
-ifeq ($(USERSPACE_STATIC_LIBS), 1)
-OBJECT_NAME := lib$(NAME).a
-else
-OBJECT_NAME := lib$(NAME).so
-endif
-
-OUTPUT_DIR=../../out/lib/
-SYSROOT = --sysroot=../../out/
-
-CC = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)gcc
-AS = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)as
-AR = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)ar
-
-C_SOURCES = $(shell find ./ -type f -name '*.c')
-CPP_SOURCES = $(shell find ./ -type f -name '*.cpp')
-S_SOURCES = $(shell find ./ -type f -name '*.S')
-OBJ = ${C_SOURCES:.c=.o} ${CPP_SOURCES:.cpp=.o} ${S_SOURCES:.S=.o}
-
-ifeq ($(OSARCH), amd64)
-ASM_ARCH := elf64
-else ifeq ($(OSARCH), i386)
-ASM_ARCH := elf32
-endif
-
-CFLAGS := -fvisibility=hidden -fPIC -fPIE -I../include -I../../out/include
-
-ifeq ($(DEBUG), 1)
-	CFLAGS += -DDEBUG -ggdb3 -O0 -fdiagnostics-color=always -fverbose-asm
-	LDFLAGS += -ggdb3 -O0
-endif
-
-build: $(OBJECT_NAME)
-
-$(OBJECT_NAME): $(OBJ)
-	$(info Linking $@)
-ifeq ($(USERSPACE_STATIC_LIBS), 1)
-	$(AR) rcs $(OUTPUT_DIR)$@ $(OBJ)
-else
-	$(CC) -nostdlib -shared -fPIC -fPIE -Wl,-soname,$(OBJECT_NAME) $(SYSROOT) $(OBJ) -o $(OUTPUT_DIR)$@
-endif
-
-%.o: %.c
-	$(info Compiling $<)
-	$(CC) $(CFLAGS) -std=c17 -c $< -o $@
-
-%.o: %.cpp
-	$(info Compiling $<)
-	$(CC) $(CFLAGS) -std=c++20 -c $< -o $@
-
-%.o: %.S
-	$(info Compiling $<)
-	$(AS) -c $< -o $@
-
-clean:
-	rm -f $(OBJ)

libs/libinit/libinit.c

@@ -1,31 +0,0 @@
-#include <libinit/init.h>
-#include <unistd.h>
-#include <features.h>
-#include "printf.h"
-
-#ifdef __FENNIX_LIBC__
-#define cprintf printf_libinit
-#define cvprintf vprintf_libinit
-#else
-#define cprintf printf
-#define cvprintf vprintf
-#endif
-
-void init_log(const char *fmt, ...)
-{
-	static short log_lock = 0;
-	while (log_lock)
-		usleep(1);
-	__sync_synchronize();
-	log_lock = 1;
-
-	cprintf("\eCCCCCC[\e0088FFinit\eCCCCCC] \eAAAAAA");
-	va_list args;
-	va_start(args, fmt);
-	cvprintf(fmt, args);
-	va_end(args);
-	cprintf("\eCCCCCC");
-
-	log_lock = 0;
-	__sync_synchronize();
-}

libs/libinit/printf.h

@@ -1,174 +0,0 @@
-/**
- * @author (c) Eyal Rozenberg <eyalroz1@gmx.com>
- *             2021-2022, Haifa, Palestine/Israel
- * @author (c) Marco Paland (info@paland.com)
- *             2014-2019, PALANDesign Hannover, Germany
- *
- * @note Others have made smaller contributions to this file: see the
- * contributors page at https://github.com/eyalroz/printf/graphs/contributors
- * or ask one of the authors.
- *
- * @brief Small stand-alone implementation of the printf family of functions
- * (`(v)printf`, `(v)s(n)printf` etc., geared towards use on embedded systems with
- * a very limited resources.
- *
- * @note the implementations are thread-safe; re-entrant; use no functions from
- * the standard library; and do not dynamically allocate any memory.
- *
- * @license The MIT License (MIT)
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#ifndef PRINTF_H_
-#define PRINTF_H_
-
-#ifdef __cplusplus
-#include <cstdarg>
-#include <cstddef>
-extern "C"
-{
-#else
-#include <stdarg.h>
-#include <stddef.h>
-#endif
-
-#ifdef __GNUC__
-#define ATTR_PRINTF(one_based_format_index, first_arg) \
-    __attribute__((format(__printf__, (one_based_format_index), (first_arg))))
-#define ATTR_VPRINTF(one_based_format_index) ATTR_PRINTF((one_based_format_index), 0)
-#else
-#define ATTR_PRINTF((one_based_format_index), (first_arg))
-#define ATTR_VPRINTF(one_based_format_index)
-#endif
-
-#ifndef PRINTF_ALIAS_STANDARD_FUNCTION_NAMES
-#define PRINTF_ALIAS_STANDARD_FUNCTION_NAMES 0
-#endif
-
-#if PRINTF_ALIAS_STANDARD_FUNCTION_NAMES
-#define printf_ printf
-#define sprintf_ sprintf
-#define vsprintf_ vsprintf
-#define snprintf_ snprintf
-#define vsnprintf_ vsnprintf
-#define vprintf_ vprintf
-#endif
-
-// If you want to include this implementation file directly rather than
-// link against, this will let you control the functions' visibility,
-// e.g. make them static so as not to clash with other objects also
-// using them.
-#ifndef PRINTF_VISIBILITY
-#define PRINTF_VISIBILITY
-#endif
-    /**
-     * An implementation of the C standard's printf/vprintf
-     *
-     * @note you must implement a @ref putchar_ function for using this function - it invokes @ref putchar_
-     * rather than directly performing any I/O (which insulates it from any dependence on the operating system
-     * and external libraries).
-     *
-     * @param format A string specifying the format of the output, with %-marked specifiers of how to interpret
-     * additional arguments.
-     * @param arg Additional arguments to the function, one for each %-specifier in @p format string
-     * @return The number of characters written into @p s, not counting the terminating null character
-     */
-    ///@{
-    PRINTF_VISIBILITY
-    int printf_libinit(const char *format, ...) ATTR_PRINTF(1, 2);
-    PRINTF_VISIBILITY
-    int vprintf_libinit(const char *format, va_list arg) ATTR_VPRINTF(1);
-    ///@}
-
-    /**
-     * An implementation of the C standard's sprintf/vsprintf
-     *
-     * @note For security considerations (the potential for exceeding the buffer bounds), please consider using
-     * the size-constrained variant, @ref snprintf / @ref vsnprintf , instead.
-     *
-     * @param s An array in which to store the formatted string. It must be large enough to fit the formatted
-     * output!
-     * @param format A string specifying the format of the output, with %-marked specifiers of how to interpret
-     * additional arguments.
-     * @param arg Additional arguments to the function, one for each specifier in @p format
-     * @return The number of characters written into @p s, not counting the terminating null character
-     */
-    ///@{
-    PRINTF_VISIBILITY
-    int sprintf_libinit(char *s, const char *format, ...) ATTR_PRINTF(2, 3);
-    PRINTF_VISIBILITY
-    int vsprintf_libinit(char *s, const char *format, va_list arg) ATTR_VPRINTF(2);
-    ///@}
-
-    /**
-     * An implementation of the C standard's snprintf/vsnprintf
-     *
-     * @param s An array in which to store the formatted string. It must be large enough to fit either the
-     * entire formatted output, or at least @p n characters. Alternatively, it can be NULL, in which case
-     * nothing will be printed, and only the number of characters which _could_ have been printed is
-     * tallied and returned.
-     * @param n The maximum number of characters to write to the array, including a terminating null character
-     * @param format A string specifying the format of the output, with %-marked specifiers of how to interpret
-     * additional arguments.
-     * @param arg Additional arguments to the function, one for each specifier in @p format
-     * @return The number of characters that COULD have been written into @p s, not counting the terminating
-     *         null character. A value equal or larger than @p n indicates truncation. Only when the returned value
-     *         is non-negative and less than @p n, the null-terminated string has been fully and successfully printed.
-     */
-    ///@{
-    PRINTF_VISIBILITY
-    int snprintf_libinit(char *s, size_t count, const char *format, ...) ATTR_PRINTF(3, 4);
-    PRINTF_VISIBILITY
-    int vsnprintf_libinit(char *s, size_t count, const char *format, va_list arg) ATTR_VPRINTF(3);
-    ///@}
-
-    /**
-     * printf/vprintf with user-specified output function
-     *
-     * An alternative to @ref printf_, in which the output function is specified dynamically
-     * (rather than @ref putchar_ being used)
-     *
-     * @param out An output function which takes one character and a type-erased additional parameters
-     * @param extra_arg The type-erased argument to pass to the output function @p out with each call
-     * @param format A string specifying the format of the output, with %-marked specifiers of how to interpret
-     * additional arguments.
-     * @param arg Additional arguments to the function, one for each specifier in @p format
-     * @return The number of characters for which the output f unction was invoked, not counting the terminating null character
-     *
-     */
-    PRINTF_VISIBILITY
-    int fctprintf_libinit(void (*out)(char c, void *extra_arg), void *extra_arg, const char *format, ...) ATTR_PRINTF(3, 4);
-    PRINTF_VISIBILITY
-    int vfctprintf_libinit(void (*out)(char c, void *extra_arg), void *extra_arg, const char *format, va_list arg) ATTR_VPRINTF(3);
-
-#if PRINTF_ALIAS_STANDARD_FUNCTION_NAMES
-#undef printf_
-#undef sprintf_
-#undef vsprintf_
-#undef snprintf_
-#undef vsnprintf_
-#undef vprintf_
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif // PRINTF_H_

mlibc

@@ -1 +0,0 @@
-Subproject commit 77f7b4d310c05c82d64899f2186558f5abbcdded